81332810 (number)

81332810 is an even 8-digits composite number following 81332809 and preceding 81332811. In scientific notation, it is written as 8.1332810 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 30030528 positive integers (up to 81332810) that are relatively prime to 81332810.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-two thousand eight hundred ten

Notation

Scientific notation 8.1332810 × 10^7
Engineering notation 8.1332810 × 10^6

Prime Factorization of 81332810

Prime Factorization 2 × 5 × 13 × 625637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81332810
Product of the distinct prime numbers

The prime factorization of 81332810 is 2 × 5 × 13 × 625637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 3, 25, 515, 638, 2147, 5351, 62749, 40697, 168123, 14781, 5106316, 9118482, 24044860, 62604881, 985326190, 513866789, 7715427944, 1499330981

Basic calculations (n = 81332810)

Multiplication

n×y
n×2 162665620
n×3 243998430
n×4 325331240
n×5 406664050

Division

n÷y
n÷2 40666405
n÷3 27110936.666667
n÷3 20333202.5
n÷5 16266562

Exponentiation

ny
n2 6615025982496100
n3 5.3801865137942E+23
n4 4.3758568749098E+31
n5 3.5590073579424E+39

Nth Root

y√n
2√n 9018.4704911642
3√n 433.26664785799
4√n 94.965627945927
5√n 38.199102173641

Divisors of 81332810

1, 2, 5, 10, 13, 26, 65, 130, 625637, 1251274, 3128185, 6256370, 8133281, 16266562, 40666405, 81332810

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81332809
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81332810 can be divided by 16 positive divisors. The sum of these divisors (counting 81332810) is 1, the average is 0.0625.

Base conversion 81332810

Base System Value
2 Binary 100110110010000101001001010
3 Ternary 12200001010122022
4 Quaternary 10312100221022
5 Quinary 131310122220
6 Senary 12023124442
8 Octal 466205112
10 Decimal 81332810
12 Duodecimal 232a3722
16 Hexadecimal 4d90a4a
20 Vigesimal 1586c0a
36 Base36 1cf8sq

Cryptographic Hash Functions

md5 d38dbeb0913b3ac41be2ea14e796f6b8
sha1 3e8ab81073425d8a89b42aa25fd29bc22906bbad
sha256 6d89680d13e972152389534290bd89c133bd688b4b7151928c6cce5d14505450
sha512 9d0c3c0a8b91ce2ebcb8f8faa319d620466bc749b7b5d8c42fbc9f3eef9b4dc1748e6967c57ec06f89ec6a44cdc9c908097507d2a38846e2f8c0703505b4a708
ripemd-160 b947836780301821d36aa84c730b96fb71925b8e

81332810 as geometric shapes

Circle

Radius = n
Diameter 162665620
Circumference 511029116.78363
Area 2.0781717029915E+16

Sphere

Radius = n
Volume 2.2536472568905E+24
Surface area 8.3126868119661E+16
Circumference 511029116.78363

Square

Length = n
Perimeter 325331240
Area 6615025982496100
Diagonal 115021962.96791

Cube

Length = n
Surface area 39690155894976600
Volume 5.3801865137942E+23
Space diagonal 140872559.24235

Equilateral Triangle

Length = n
Perimeter 243998430
Area 2.8643902737679E+15
Altitude 70436279.621173

Triangular Pyramid

Length = n
Surface area 2.8643902737679E+15
Volume 6.3406106132538E+22
Height 38340654.322638